/*
 * Copyright (C) 2017 Oasis Feng. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.gyz.androidopensamples.condomcontext;

import android.annotation.TargetApi;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.IntentSender;
import android.content.ServiceConnection;
import android.content.SharedPreferences;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.res.AssetManager;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.database.DatabaseErrorHandler;
import android.database.sqlite.SQLiteDatabase;
import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.os.UserHandle;
import android.view.Display;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

import static android.os.Build.VERSION_CODES.N;

/**
 * A package-private copy of {@link ContextWrapper}, to prevent potential leakage caused by {@link ContextWrapper#getBaseContext()}",
 * followed by "instanceof ContextWrapper" check on {@link CondomContext}.
 *
 * Created by Oasis on 2017/3/26.
 */
@TargetApi(N)
class PseudoContextWrapper extends Context {
	Context mBase;

	public PseudoContextWrapper(Context base) {
		mBase = base;
	}

	/**
	 * Set the base context for this ContextWrapper.  All calls will then be
	 * delegated to the base context.  Throws
	 * IllegalStateException if a base context has already been set.
	 *
	 * @param base The new base context for this wrapper.
	 */
	protected void attachBaseContext(Context base) {
		if (mBase != null) {
			throw new IllegalStateException("Base context already set");
		}
		mBase = base;
	}

	/**
	 * @return the base context as set by the constructor or setBaseContext
	 */
	Context getBaseContext() {
		return mBase;
	}

	@Override
	public AssetManager getAssets() {
		return mBase.getAssets();
	}

	@Override
	public Resources getResources() {
		return mBase.getResources();
	}

	@Override
	public PackageManager getPackageManager() {
		return mBase.getPackageManager();
	}

	@Override
	public ContentResolver getContentResolver() {
		return mBase.getContentResolver();
	}

	@Override
	public Looper getMainLooper() {
		return mBase.getMainLooper();
	}

	@Override
	public Context getApplicationContext() {
		return mBase.getApplicationContext();
	}

	@Override
	public void setTheme(int resid) {
		mBase.setTheme(resid);
	}

	@Override
	public Resources.Theme getTheme() {
		return mBase.getTheme();
	}

	@Override
	public ClassLoader getClassLoader() {
		return mBase.getClassLoader();
	}

	@Override
	public String getPackageName() {
		return mBase.getPackageName();
	}

	@Override
	public ApplicationInfo getApplicationInfo() {
		return mBase.getApplicationInfo();
	}

	@Override
	public String getPackageResourcePath() {
		return mBase.getPackageResourcePath();
	}

	@Override
	public String getPackageCodePath() {
		return mBase.getPackageCodePath();
	}

	@Override
	public SharedPreferences getSharedPreferences(String name, int mode) {
		return mBase.getSharedPreferences(name, mode);
	}

	@Override
	public boolean moveSharedPreferencesFrom(Context sourceContext, String name) {
		return mBase.moveSharedPreferencesFrom(sourceContext, name);
	}

	@Override
	public boolean deleteSharedPreferences(String name) {
		return mBase.deleteSharedPreferences(name);
	}

	@Override
	public FileInputStream openFileInput(String name)
			throws FileNotFoundException {
		return mBase.openFileInput(name);
	}

	@Override
	public FileOutputStream openFileOutput(String name, int mode)
			throws FileNotFoundException {
		return mBase.openFileOutput(name, mode);
	}

	@Override
	public boolean deleteFile(String name) {
		return mBase.deleteFile(name);
	}

	@Override
	public File getFileStreamPath(String name) {
		return mBase.getFileStreamPath(name);
	}

	@Override
	public String[] fileList() {
		return mBase.fileList();
	}

	@Override
	public File getDataDir() {
		return mBase.getDataDir();
	}

	@Override
	public File getFilesDir() {
		return mBase.getFilesDir();
	}

	@Override
	public File getNoBackupFilesDir() {
		return mBase.getNoBackupFilesDir();
	}

	@Override
	public File getExternalFilesDir(String type) {
		return mBase.getExternalFilesDir(type);
	}

	@Override
	public File[] getExternalFilesDirs(String type) {
		return mBase.getExternalFilesDirs(type);
	}

	@Override
	public File getObbDir() {
		return mBase.getObbDir();
	}

	@Override
	public File[] getObbDirs() {
		return mBase.getObbDirs();
	}

	@Override
	public File getCacheDir() {
		return mBase.getCacheDir();
	}

	@Override
	public File getCodeCacheDir() {
		return mBase.getCodeCacheDir();
	}

	@Override
	public File getExternalCacheDir() {
		return mBase.getExternalCacheDir();
	}

	@Override
	public File[] getExternalCacheDirs() {
		return mBase.getExternalCacheDirs();
	}

	@Override
	public File[] getExternalMediaDirs() {
		return mBase.getExternalMediaDirs();
	}

	@Override
	public File getDir(String name, int mode) {
		return mBase.getDir(name, mode);
	}

	@Override
	public SQLiteDatabase openOrCreateDatabase(String name, int mode, SQLiteDatabase.CursorFactory factory) {
		return mBase.openOrCreateDatabase(name, mode, factory);
	}

	@Override
	public SQLiteDatabase openOrCreateDatabase(String name, int mode, SQLiteDatabase.CursorFactory factory,
											   DatabaseErrorHandler errorHandler) {
		return mBase.openOrCreateDatabase(name, mode, factory, errorHandler);
	}

	@Override
	public boolean moveDatabaseFrom(Context sourceContext, String name) {
		return mBase.moveDatabaseFrom(sourceContext, name);
	}

	@Override
	public boolean deleteDatabase(String name) {
		return mBase.deleteDatabase(name);
	}

	@Override
	public File getDatabasePath(String name) {
		return mBase.getDatabasePath(name);
	}

	@Override
	public String[] databaseList() {
		return mBase.databaseList();
	}

	@Override
	@Deprecated
	public Drawable getWallpaper() {
		return mBase.getWallpaper();
	}

	@Override
	@Deprecated
	public Drawable peekWallpaper() {
		return mBase.peekWallpaper();
	}

	@Override
	@Deprecated
	public int getWallpaperDesiredMinimumWidth() {
		return mBase.getWallpaperDesiredMinimumWidth();
	}

	@Override
	@Deprecated
	public int getWallpaperDesiredMinimumHeight() {
		return mBase.getWallpaperDesiredMinimumHeight();
	}

	@Override
	@Deprecated
	public void setWallpaper(Bitmap bitmap) throws IOException {
		mBase.setWallpaper(bitmap);
	}

	@Override
	@Deprecated
	public void setWallpaper(InputStream data) throws IOException {
		mBase.setWallpaper(data);
	}

	@Override
	@Deprecated
	public void clearWallpaper() throws IOException {
		mBase.clearWallpaper();
	}

	@Override
	public void startActivity(Intent intent) {
		mBase.startActivity(intent);
	}

	@Override
	public void startActivity(Intent intent, Bundle options) {
		mBase.startActivity(intent, options);
	}

	@Override
	public void startActivities(Intent[] intents) {
		mBase.startActivities(intents);
	}

	@Override
	public void startActivities(Intent[] intents, Bundle options) {
		mBase.startActivities(intents, options);
	}

	@Override
	public void startIntentSender(IntentSender intent,
								  Intent fillInIntent, int flagsMask, int flagsValues, int extraFlags)
			throws IntentSender.SendIntentException {
		mBase.startIntentSender(intent, fillInIntent, flagsMask,
				flagsValues, extraFlags);
	}

	@Override
	public void startIntentSender(IntentSender intent,
								  Intent fillInIntent, int flagsMask, int flagsValues, int extraFlags,
								  Bundle options) throws IntentSender.SendIntentException {
		mBase.startIntentSender(intent, fillInIntent, flagsMask,
				flagsValues, extraFlags, options);
	}

	@Override
	public void sendBroadcast(Intent intent) {
		mBase.sendBroadcast(intent);
	}

	@Override
	public void sendBroadcast(Intent intent, String receiverPermission) {
		mBase.sendBroadcast(intent, receiverPermission);
	}

	@Override
	public void sendOrderedBroadcast(Intent intent,
									 String receiverPermission) {
		mBase.sendOrderedBroadcast(intent, receiverPermission);
	}

	@Override
	public void sendOrderedBroadcast(
			Intent intent, String receiverPermission, BroadcastReceiver resultReceiver,
			Handler scheduler, int initialCode, String initialData,
			Bundle initialExtras) {
		mBase.sendOrderedBroadcast(intent, receiverPermission,
				resultReceiver, scheduler, initialCode,
				initialData, initialExtras);
	}

	@Override
	public void sendBroadcastAsUser(Intent intent, UserHandle user) {
		mBase.sendBroadcastAsUser(intent, user);
	}

	@Override
	public void sendBroadcastAsUser(Intent intent, UserHandle user,
									String receiverPermission) {
		mBase.sendBroadcastAsUser(intent, user, receiverPermission);
	}

	@Override
	public void sendOrderedBroadcastAsUser(Intent intent, UserHandle user,
										   String receiverPermission, BroadcastReceiver resultReceiver, Handler scheduler,
										   int initialCode, String initialData, Bundle initialExtras) {
		mBase.sendOrderedBroadcastAsUser(intent, user, receiverPermission, resultReceiver,
				scheduler, initialCode, initialData, initialExtras);
	}

	@Override
	public void sendStickyBroadcast(Intent intent) {
		mBase.sendStickyBroadcast(intent);
	}

	@Override
	public void sendStickyOrderedBroadcast(
			Intent intent, BroadcastReceiver resultReceiver,
			Handler scheduler, int initialCode, String initialData,
			Bundle initialExtras) {
		mBase.sendStickyOrderedBroadcast(intent,
				resultReceiver, scheduler, initialCode,
				initialData, initialExtras);
	}

	@Override
	public void removeStickyBroadcast(Intent intent) {
		mBase.removeStickyBroadcast(intent);
	}

	@Override
	public void sendStickyBroadcastAsUser(Intent intent, UserHandle user) {
		mBase.sendStickyBroadcastAsUser(intent, user);
	}

	@Override
	public void sendStickyOrderedBroadcastAsUser(Intent intent,
												 UserHandle user, BroadcastReceiver resultReceiver,
												 Handler scheduler, int initialCode, String initialData,
												 Bundle initialExtras) {
		mBase.sendStickyOrderedBroadcastAsUser(intent, user, resultReceiver,
				scheduler, initialCode, initialData, initialExtras);
	}

	@Override
	@Deprecated
	public void removeStickyBroadcastAsUser(Intent intent, UserHandle user) {
		mBase.removeStickyBroadcastAsUser(intent, user);
	}

	@Override
	public Intent registerReceiver(
			BroadcastReceiver receiver, IntentFilter filter) {
		return mBase.registerReceiver(receiver, filter);
	}

	@Override
	public Intent registerReceiver(
			BroadcastReceiver receiver, IntentFilter filter,
			String broadcastPermission, Handler scheduler) {
		return mBase.registerReceiver(receiver, filter, broadcastPermission,
				scheduler);
	}

	@Override
	public void unregisterReceiver(BroadcastReceiver receiver) {
		mBase.unregisterReceiver(receiver);
	}

	@Override
	public ComponentName startService(Intent service) {
		return mBase.startService(service);
	}

	@Override
	public boolean stopService(Intent name) {
		return mBase.stopService(name);
	}

	@Override
	public boolean bindService(Intent service, ServiceConnection conn,
							   int flags) {
		return mBase.bindService(service, conn, flags);
	}

	@Override
	public void unbindService(ServiceConnection conn) {
		mBase.unbindService(conn);
	}

	@Override
	public boolean startInstrumentation(ComponentName className,
										String profileFile, Bundle arguments) {
		return mBase.startInstrumentation(className, profileFile, arguments);
	}

	@Override
	public Object getSystemService(String name) {
		return mBase.getSystemService(name);
	}

	@Override
	public String getSystemServiceName(Class<?> serviceClass) {
		return mBase.getSystemServiceName(serviceClass);
	}

	@Override
	public int checkPermission(String permission, int pid, int uid) {
		return mBase.checkPermission(permission, pid, uid);
	}

	@Override
	public int checkCallingPermission(String permission) {
		return mBase.checkCallingPermission(permission);
	}

	@Override
	public int checkCallingOrSelfPermission(String permission) {
		return mBase.checkCallingOrSelfPermission(permission);
	}

	@Override
	public int checkSelfPermission(String permission) {
		return mBase.checkSelfPermission(permission);
	}

	@Override
	public void enforcePermission(
			String permission, int pid, int uid, String message) {
		mBase.enforcePermission(permission, pid, uid, message);
	}

	@Override
	public void enforceCallingPermission(String permission, String message) {
		mBase.enforceCallingPermission(permission, message);
	}

	@Override
	public void enforceCallingOrSelfPermission(
			String permission, String message) {
		mBase.enforceCallingOrSelfPermission(permission, message);
	}

	@Override
	public void grantUriPermission(String toPackage, Uri uri, int modeFlags) {
		mBase.grantUriPermission(toPackage, uri, modeFlags);
	}

	@Override
	public void revokeUriPermission(Uri uri, int modeFlags) {
		mBase.revokeUriPermission(uri, modeFlags);
	}

	@Override
	public int checkUriPermission(Uri uri, int pid, int uid, int modeFlags) {
		return mBase.checkUriPermission(uri, pid, uid, modeFlags);
	}

	@Override
	public int checkCallingUriPermission(Uri uri, int modeFlags) {
		return mBase.checkCallingUriPermission(uri, modeFlags);
	}

	@Override
	public int checkCallingOrSelfUriPermission(Uri uri, int modeFlags) {
		return mBase.checkCallingOrSelfUriPermission(uri, modeFlags);
	}

	@Override
	public int checkUriPermission(Uri uri, String readPermission,
								  String writePermission, int pid, int uid, int modeFlags) {
		return mBase.checkUriPermission(uri, readPermission, writePermission,
				pid, uid, modeFlags);
	}

	@Override
	public void enforceUriPermission(
			Uri uri, int pid, int uid, int modeFlags, String message) {
		mBase.enforceUriPermission(uri, pid, uid, modeFlags, message);
	}

	@Override
	public void enforceCallingUriPermission(
			Uri uri, int modeFlags, String message) {
		mBase.enforceCallingUriPermission(uri, modeFlags, message);
	}

	@Override
	public void enforceCallingOrSelfUriPermission(
			Uri uri, int modeFlags, String message) {
		mBase.enforceCallingOrSelfUriPermission(uri, modeFlags, message);
	}

	@Override
	public void enforceUriPermission(
			Uri uri, String readPermission, String writePermission,
			int pid, int uid, int modeFlags, String message) {
		mBase.enforceUriPermission(
				uri, readPermission, writePermission, pid, uid, modeFlags,
				message);
	}

	@Override
	public Context createPackageContext(String packageName, int flags)
			throws PackageManager.NameNotFoundException {
		return mBase.createPackageContext(packageName, flags);
	}

	@Override
	public Context createConfigurationContext(Configuration overrideConfiguration) {
		return mBase.createConfigurationContext(overrideConfiguration);
	}

	@Override
	public Context createDisplayContext(Display display) {
		return mBase.createDisplayContext(display);
	}

	@Override
	public boolean isRestricted() {
		return mBase.isRestricted();
	}

	@Override
	public Context createDeviceProtectedStorageContext() {
		return mBase.createDeviceProtectedStorageContext();
	}

	@Override
	public boolean isDeviceProtectedStorage() {
		return mBase.isDeviceProtectedStorage();
	}
}
